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Export a 2D DXF

Export a STEP file as a 2D DXF drawing

Front, top and side views from a STEP, STP or IGES file. Third angle or first angle. The DXF opens here so you can measure it.

View a STEP, IGES, SLDPRT, 3DS, 3DM or DXF file

Opens .STEP, .STP, .STE, .IGES, .IGS, a SolidWorks .SLDPRT or .prt, a .3ds mesh, a Rhino .3dm, or an ASCII .dxf. Measures length, diameter, radius or angle. Does not write a converted file.

.STEP.STP.STE.IGES.IGS.SLDPRT.PRT.3DS.3DM.DXF

Your file stays on your device

The file opens in this tab and stays on your device. Nothing is uploaded. No account. No install.

The converter writes STEP and IGES surfaces from a .SLDPRT or from an elementary STEP or IGES solid, and a DXF of the exact edges. .3ds and Rhino stay a triangle mesh. It does not write .3ds, .3dm, .prt or .SLDPRT.

On a phone, pick the file from Files or Downloads — not Photos.

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  • Open a STEP, STP, STE, IGES or IGS file in the browser
  • Build front, back, left, right, top and bottom views
  • Choose third angle or first angle
  • Open the DXF in the 2D view and measure it
  • Ten exports are free, then a trial or a subscription
  • Nothing is uploaded — the file stays on your device

How to export a 2D DXF from a STEP file

  1. Choose a .STEP, .STP, .STE, .IGES or .IGS file from Files or Downloads.
  2. Wait until the solid is on screen. Nothing is uploaded.
  3. Choose 2D projection export.
  4. Choose Third angle or First angle. The sheet shows the views of the parts still on screen.
  5. Choose Open in 2D CAD. The drawing opens in place. Download DXF saves the same file.
  6. Turn on Measure. Length is two points. Diameter and radius read a circle or an arc. Angle is two straight lines.

Third angle places the top view above the front view, and the left view on the left. First angle places the top view below the front view, and the left view on the right. An exact circle, arc, or ellipse stays that curve. A straight edge stays one line. An edge behind another surface is a hidden line. The DXF is in millimetres.

Ten DXF exports are free in this browser and on this network. This page and the CAD Viewer share that count. The next export asks for a 3-day trial or a subscription. The trial is once. It does not add converter files. A subscription includes the export for the whole term. Opening a file to look at it does not count. Measure, colour, the plain wireframe, and PNG stay free.

This page makes a flat drawing. The CAD Converter writes STEP, IGES, or the exact 3D edges as DXF. It does not place front, top and side views. The STEP file weight calculator reads the mass. Use this page when the shop needs a 2D DXF.

Frequently asked questions

How do I turn a STEP file into a 2D DXF?+

Open this page, choose the .STEP, .STP or .IGES file, then choose 2D projection export. Pick third angle or first angle. Open in 2D CAD loads the drawing so you can measure it. Download DXF saves the same file.

What is the difference between third angle and first angle?+

Third angle places the top view above the front view, and the left view on the left. First angle places the top view below the front view, and the left view on the right. Both are one DXF, in millimetres.

Can I measure the 2D drawing?+

Yes. After Open in 2D CAD, turn on Measure. Length is two points. Diameter and radius read a circle or an arc. Angle is two straight lines. The file stays on your device.

How many 2D exports are free?+

Ten DXF exports are free in one browser and on one network. The viewer and this page share that count. The next export asks for a 3-day trial or a subscription. The trial is once and does not add converter files. A subscription includes the export for the whole term.

Is this the same as the CAD converter?+

No. The CAD converter writes STEP, IGES, or the exact 3D edges as DXF. This page writes a flat drawing: front, top and side views. The CAD viewer opens the model and also opens the DXF after you export it.

Related engineering tools

CAD Viewer (opens STEP, IGES, SLDPRT, 3DS and Rhino), CAD Converter (writes STEP, IGES, or exact DXF edges), STEP/STP/IGES/IGS weight, metal weight, H7, tap drill, unit converter.

Related tools

Other calculators and viewers on AlwaysReach.